Home / 108,534.20-162,801.30-73,104.80

Finding the Fourth Proportional to 108,534.20, 162,801.30 and 73,104.80

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Solution

The fourth proportional to 108,534.20, 162,801.30 and 73,104.80 is: 109,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.20 : 162,801.30 = 73,104.80 : x
  2. Step 2: Convert to fraction form
    108,534.20/162,801.30 = 73,104.80/x
  3. Step 3: Cross multiply
    108,534.20x = 162,801.30 × 73,104.80
  4. Step 4: Simplify right side
    108,534.20x = 11,901,556,476.24
  5. Step 5: Solve for x
    x = 11,901,556,476.24/108,534.20
  6. Step 6: Final answer
    x = 109,657.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.